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Questions and Answers
What does altered mental status indicate in the context of decompensated shock?
What does altered mental status indicate in the context of decompensated shock?
- Normal mental state
- Sign/Symptom of Decompensated Shock (correct)
- Physiological Explanation of Decompensated Shock
- Sign of recovery
What is cerebral hypoperfusion a physiological explanation for?
What is cerebral hypoperfusion a physiological explanation for?
- Healthy brain function
- Normal physiological state
- Decompensated Shock (correct)
- Increased blood flow
What does hypotension signify in the context of decompensated shock?
What does hypotension signify in the context of decompensated shock?
- Physiological Explanation of Decompensated Shock
- Normal blood pressure
- Improvement in condition
- Sign/Symptom of Decompensated Shock (correct)
What does blood loss exceeding 30% indicate in decompensated shock?
What does blood loss exceeding 30% indicate in decompensated shock?
What is marked tachycardia a sign of in decompensated shock?
What is marked tachycardia a sign of in decompensated shock?
What continued response occurs in hypotension leading to bradycardia?
What continued response occurs in hypotension leading to bradycardia?
What does pulse quality indicate in decompensated shock?
What does pulse quality indicate in decompensated shock?
What physiological process is indicated by a weak pulse becoming absent?
What physiological process is indicated by a weak pulse becoming absent?
What does air hunger progressing to respiratory failure indicate?
What does air hunger progressing to respiratory failure indicate?
What are acidosis and hypoxia examples of?
What are acidosis and hypoxia examples of?
What does skin presentation in decompensated shock look like?
What does skin presentation in decompensated shock look like?
What does white, waxy, and cold skin indicate?
What does white, waxy, and cold skin indicate?
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Study Notes
Decompensated Shock Overview
- Altered mental status, including agitation, confusion, and decreased responsiveness, is a primary sign of decompensated shock.
- Cerebral hypoperfusion occurs as blood flow to the brain diminishes, leading to neurological symptoms associated with decompensated shock.
Signs and Symptoms
- Hypotension, a significant drop in blood pressure, indicates the severity of the condition.
- Marked tachycardia, defined as a heart rate exceeding 120 beats per minute, signals a critical state; rates of 140 or higher suggest dire circumstances.
- Pulse quality diminishes, often becoming weak or even absent in severe cases.
- Air hunger manifests as tachypnea (respiratory rate over 30 breaths per minute) and may lead to respiratory failure.
- Skin presentation includes a white, waxy, and cold appearance, indicative of decreased perfusion and systemic shock.
Physiological Explanations
- Blood loss exceeding 30% of total blood volume compromises the body's ability to compensate, resulting in hypoxia and acidosis.
- Continued hypotension triggers bradycardia as the heart becomes hypoperfused and can no longer maintain effective circulation.
- Acidosis and hypoxia are physiological states that accompany the body’s deteriorating condition in decompensated shock.
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